Proper Gauge wire for new oven

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  #1  
Old 05-10-05, 12:13 PM
cridler
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Proper Gauge wire for new oven

I'm installing a new electric oven (used to have gas).
What is the proper size wire and breaker I need?
 
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  #2  
Old 05-10-05, 12:19 PM
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Usually, 40A double pole breaker with #8 copper wire. Your oven should have a nameplate somewhere on it that specifically says what size breaker (OCPD) to use however. The nameplate will override any other recommendations.
 
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Old 05-10-05, 12:29 PM
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But it might need #6, so be sure to check the installation instructions. If you want to install the wire before you have access to the oven, go ahead and install #6 since that will be good for all ovens (I think). Three insulated conductors plus a ground.
 
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Old 05-10-05, 12:55 PM
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Is this an oven or an oven w/rangetop? The latter will require a 50A circuit with 6/3 plus ground wire and a 4-wire range cord on the oven.
 
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Old 05-10-05, 02:44 PM
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For a typical free standing range (not over 12kw), #8 on a 2p40 is all that is required. Most times I run #6 on a 2p50 to be safe.

Most single wall ovens I have done were 30 amp-125/250volt.

I think we need the OP to provide more info.
 
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Old 05-11-05, 06:25 PM
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depends, I installed one a while back that was 3.2 kw. Just the oven.
 
  #7  
Old 05-18-05, 05:34 PM
AdamLPerry
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Double Oven?

If it is a double oven it may be even more! Also self-clean may need more. Play it safe. Get the manufactures specs. If you are buying locally, go to the store and ask them to let you look at the info on the floor samples or the installation instructions on the samples, or go online to the manufacturer. All have installation instructions and specifications downloadable. Also you want to review the installation instructions because they may have a recomended location for junction boxes, etc. that may influence your pre-wiring.
 
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